# Factors.ai vs RB2B: which do AI models recommend for intent data, October 2026

GTM AI Recommendation Index, October 2026 Edition, B2B intent data providers. Three of fourteen models named Factors.ai first on the direct prompt; zero named RB2B. Page: https://gtm-ai-index.com/sales/b2b-intent-data/factors-ai-vs-rb2b/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Factors.ai | 7% | #4 of 13 | 0% | 13 | 10 of 14 |
| RB2B | 5% | #6 of 13 | 0% | 14 | 8 of 14 |

## The direct prompt, model by model

- Mistral Small: factors.ai first (first choices: Dealfront, Factors.ai) (alternatives: 6sense, Lusha)
- GLM 4.7 FlashX: factors.ai first (first choices: Factors.ai) (alternatives: Bombora, Dealfront, G2 Buyer Intent)
- Muse Glimmer 30B: factors.ai first (first choices: Dealfront, Factors.ai) (alternatives: Warmly)
- Claude Haiku 4.5: neither first, one named (first choices: Bombora, G2 Buyer Intent) (alternatives: Apollo Intent, Dealfront, Factors.ai, Intentsify)
- Gemini 3.5 Flash: neither first, one named (first choices: ZoomInfo) (alternatives: Bombora, Cognism, Factors.ai, RB2B)
- GPT-5.4 mini: neither named (first choices: Bombora) (alternatives: 6sense, G2 Buyer Intent)
- Perplexity Sonar: neither named (first choices: 6sense) (alternatives: Apollo.io, Dealfront, Demandbase)
- Grok 4.1 Fast: neither named (first choices: Bombora) (alternatives: AdRoll ABM, G2 Buyer Intent, Intentsify, Warmly)
- DeepSeek V4 Flash: neither named (first choices: Bombora) (alternatives: G2 Buyer Intent, Intentsify, ZoomInfo)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Bombora) (alternatives: 6sense, Datanyze, Demandbase, ZoomInfo)
- Kimi K2: neither named (first choices: Dealfront, ZoomInfo) (alternatives: Bombora, G2 Buyer Intent)
- MiniMax M2.5: neither named (first choices: 6sense) (alternatives: Bombora, Dealfront, Demandbase, G2 Buyer Intent, Prospeo, TrustRadius, ZoomInfo Streaming Intent)
- GPT-6 Luna: neither named (first choices: Bombora) (alternatives: 6sense, G2 Buyer Intent)

## What the models said about Factors.ai

- "If I had to pick one, I'd shortlist Factors.ai Lite: it's listed at $199/month after a trial" (GPT-6 Luna, budget prompt, first choice)

## What the models said about RB2B

- "I'd recommend RB2B if you have meaningful website traffic and want person-level identification" (DeepSeek V4 Flash, budget prompt, first choice)
- "If you have zero budget but some website traffic: Set up RB2B (for US traffic)" (Gemini 3.5 Flash, budget prompt, first choice)
- "the practical stack is usually Apollo.io or RB2B for coverage" (Muse Glimmer 30B, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.